package com.violet.constlib.exception;

import java.net.ConnectException;

/**
 * @author: shalei
 * @since: 2020/7/16 3:40 PM
 * @Desc:
 **/
public class ExceptionHandle {

    private static final int UNAUTHORIZED = 401;
    private static final int FORBIDDEN = 403;
    private static final int NOT_FOUND = 404;
    private static final int REQUEST_TIMEOUT = 408;
    private static final int INTERNAL_SERVER_ERROR = 500;
    private static final int BAD_GATEWAY = 502;
    private static final int SERVICE_UNAVAILABLE = 503;
    private static final int GATEWAY_TIMEOUT = 504;

    public static ResponeThrowable handleException(Throwable e) {
        ResponeThrowable ex;
//        if (e instanceof HttpException) {
//            HttpException httpException = (HttpException) e;
//            switch (httpException.code()) {
//                case UNAUTHORIZED:
//                case FORBIDDEN:
//                case NOT_FOUND:
//                case REQUEST_TIMEOUT:
//                case GATEWAY_TIMEOUT:
//                case INTERNAL_SERVER_ERROR:
//                case BAD_GATEWAY:
//                case SERVICE_UNAVAILABLE:
//                default:
//                    ex = new ResponeThrowable("网络连接失败", e, httpException.code());
//                    break;
//            }
//            return ex;
//        } else
        if (e instanceof ServerException) {
            ServerException resultException = (ServerException) e;
            ex = new ResponeThrowable("服务器异常", resultException, resultException.code);
            return ex;
        } else if (e instanceof ConnectException) {
            ex = new ResponeThrowable("连接失败", e, ERROR.NETWORD_ERROR);
            return ex;
        } else if (e instanceof javax.net.ssl.SSLHandshakeException) {
            ex = new ResponeThrowable("证书验证失败", e, ERROR.SSL_ERROR);
            return ex;
        }
//        else if (e instanceof com.google.gson.stream.MalformedJsonException) {
//            ex = new ResponeThrowable("数据解析错误", e, ERROR.PARSE_ERROR);
//            return ex;
//        }
        else if(e instanceof NumberFormatException) {
            ex = new ResponeThrowable("数据解析错误", e, ERROR.PARSE_ERROR);
            return ex;
        } else {
            ex = new ResponeThrowable(e.getMessage(), e, ERROR.UNKNOWN);
            return ex;
        }
    }


    /**
     * 约定异常
     */
    static class ERROR {
        /**
         * 未知错误
         */
        public static final int UNKNOWN = 1000;
        /**
         * 解析错误
         */
        public static final int PARSE_ERROR = 1001;
        /**
         * 网络错误
         */
        public static final int NETWORD_ERROR = 1002;
        /**
         * 协议出错
         */
        public static final int HTTP_ERROR = 1003;

        /**
         * 证书出错
         */
        public static final int SSL_ERROR = 1005;
    }

    public static class ResponeThrowable extends Exception {
        public int code;

        public ResponeThrowable(String message, Throwable throwable, int code) {
            super(message, throwable);
            this.code = code;
        }

        public int getCode() {
            return code;
        }

        public void setCode(int code) {
            this.code = code;
        }
    }

    /**
     * ServerException发生后，将自动转换为ResponeThrowable返回
     */
    static class ServerException extends RuntimeException {
        int code;
        String message;
    }

}
